Answered: Write a program that asks the user to…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Chapter 4. PC #6. File Letter Counter (page 264)

Write a program that asks the user to enter the name of a file, and then asks the user to enter a character. The program should count and display the number of times that the specified character appears in the file.

Class name: FileLetterCounter

Hints:

Hint 1. To read a single character from the keyboard, you need to read a full line and then take the first character in position 0.

Hint 2. To count the occurrences of a given characters in a file you need to read the file line-by-line using a while loop, then for each line check all characters in all positions and increment the character counter for each occurrence. This will require to have a for-loop nested inside the while-loop.

Expert Solution

Step 1: Introduction to code

SOLUTION -

I have given this code in Java.

We have used both the hints to solve this problem.

The code contains a while loop and a for loop inside it. This code will read a text file also take a character input and then count the number of times the character is present in the file.

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